#40D181#40D181

#40D181 is a light, vivid green. Relative luminance 0.483; OKLCH L 76.5% C 0.168 H 154.6°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX#40D181
RGBrgb(64, 209, 129)
HSLhsl(147, 61%, 54%)
HSVhsv(147, 69%, 82%)
CMYKcmyk(69.4%, 0%, 38.3%, 18%)
CIE-LABlab(75.00, -56.11, 28.86)
CIE-LCHlch(75.00, 63.09, 152.78°)
OKLaboklab(76.53% -0.1515 0.0721)
OKLCHoklch(76.53% 0.168 154.6)
XYZxyz(28.8747, 48.2727, 28.5604)
Luminance0.4828 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D181 #D14090
analogous
#47D140 #40D181 #40D1CA
triadic
#40D181 #8140D1 #D18140
tetradic
#40D181 #4047D1 #D14090 #D1CA40
square
#40D181 #4047D1 #D14090 #D1CA40
split-complementary
#40D181 #CA40D1 #D14047
monochromatic
#1D7947 #29AB63 #40D181 #71DDA2 #A3E9C2

Accessibility & contrast

On white

1.97
#40D181 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.66
#40D181 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D181
10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D181#FFFFFF#000000##000000
##40D1811.001.9710.6610.66
#FFFFFF1.971.0021.0021.00
#00000010.6621.001.001.00
##00000010.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0C07C
Deuteranopia (green-blind)
#BEB386
Tritanopia (blue-blind)
#00CFBD
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #40d181;
/* rgb */ color: rgb(64, 209, 129);
/* oklch */ color: oklch(76.5% 0.168 154.6);
Tailwind
colors: {
  custom: {
    50: '#87e0a6',
    500: '#40d181',
    950: '#000000',
  },
}
SCSS
$custom: #40d181;
$custom-light: #87e0a6;
$custom-dark: #000000;
JSON
{
  "hex": "#40d181",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 129
  },
  "hsl": {
    "h": 146.897,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.76525,
    "c": 0.16781,
    "h": 154.6
  },
  "luminance": 0.48276
}

Semantic roles & 50–950 ramp

primary
#40D181
secondary
#D597BA
accent
#449CE4
background
#F8FDFA
surface
#F0FBF4
border
#CBD4CE
text
#0D150F
muted
#7D837F

Preview Lab

Preview with #40D181

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#40D181 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva